Who Is Warren Buffett?

By Scott Levine – Updated Sep 18, 2025 at 6:47 PM | Fact-checked by Frank Bass

Key Points

Warren Buffett's 55-year leadership at Berkshire Hathaway showcases long-term investment success.
Buffett's strategy emphasizes value investing, the power of compound interest, and seizing opportunities during market dips.
Buffett advises buying quality companies at fair prices, highlighting the importance of competitive advantages.

When compiling a list of the world's most famous investors, it's not just a guarantee that Warren Buffett's name will appear -- it's a near-certainty. He is one of the most acclaimed value investors of all time and will be one of the most recognizable. For those, both novices and veterans alike, interested in gaining insights into the world of investing, familiarizing themselves with Warren Buffett is essential.

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Warren Buffett smiling. — Image source: The Motley Fool.

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The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, the durability of that advantage.
Warren Buffett

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Bill Ackman is an activist investor and the founder of Pershing Square Capital Management.

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Israel "Izzy" Englander is the founder, chairman, and CEO of hedge fund Millennium Management. Read about his investment strategy.

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Who Is Carl Icahn?

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About the Author

Scott Levine is a contributing Motley Fool stock market analyst covering energy, industrials, technology, and materials. He is also a high school English teacher and a small business owner. He holds a bachelor’s degree in English and creative writing from Binghamton University, a master’s degree in secondary education from Adelphi University, and an advanced certificate in school building leadership from CUNY Queens College. A crossword puzzle enthusiast, he has solved more than 3,100 New York Times puzzles with a 97% solve rate.

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Scott Levine has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Berkshire Hathaway. The Motley Fool has a disclosure policy.